Molekula
Carmine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Carmine is a natural red pigment derived from cochineal insects, used in food, cosmetics, and pharmaceuticals as a colorant. It also serves as a microscopy stain for chromatin and as a colorant in inks, paints and textile dyeing. It has a CAS number of 1390-65-4, a molecular formula of C22H20O13, and a molecular weight of 492.389 g/mol. It is stable at ambient storage conditions and carries no signal word. Molekula supplies Carmine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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5 g — £68.40 per pack ex VAT · £82.08 inc. VAT
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25 g — £95.00 per pack ex VAT · £114.00 inc. VAT
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250 g — £780.00 per pack ex VAT · £936.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Dark pink to red powder |
| Loss on Drying | ≤20% |
| Assay | ≥50% |
| Lead (Pb) | ≤10ppm |
| Arsenic (As) | ≤1ppm |
| Biological stain test | Pass |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 10807308 |
| CAS Number | 1390-65-4 |
| IUPAC Name | 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2R,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid |
| Molecular Formula | C22H20O13 |
| Molecular Weight | 492.389 |
| Exact Mass | 492.0904 |
| SMILES | CC1=C2C(=CC(=C1C(=O)O)O)C(=O)C3=C(C2=O)C(=C(C(=C3O)O)[C@@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O |
| InChIKey | DGQLVPJVXFOQEV-NGOCYOHBSA-N |
| InChI | InChI=1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21-/m1/s1 |
| PubChem CID | 14749 |
| REACH Code | Y110 |
| HTS Code | 3212.90.0050 |
| Tariff Code | 3212900000 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- B Rose liquid
- Carmine (Coccus cacti L.)
- Carmine Red
- Cochineal (Coccus cacti L.)
- Cochineal Dye
- DGQLVPJVXFOQEV-NGOCYOHBSA-N
- Dye, Cochineal
Frequently asked questions
What is Carmine used for?
Carmine is primarily used as a natural red food coloring in cosmetics, pharmaceuticals, and food products.
What is the chemical formula and molecular weight of Carmine?
The formula is C22H20O13 with a molecular weight of 492.389 g/mol.
How should Carmine be stored?
Carmine should be stored at ambient temperature, protected from moisture and light.
What grade of Carmine does Molekula supply?
Molekula supplies Carmine in food-grade quality, suitable for use in food and cosmetic applications.
Can Molekula supply Carmine in bulk?
Yes, Molekula can supply Carmine in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a Carmine order?
Each order includes a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS), available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.